/*
 * Copyright (c) 2012, 2013 Hemanta Sapkota.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * Hemanta Sapkota (laex.pearl@gmail.com)
 */
package com.laex.cg2d.screeneditor.model;

import com.laex.cg2d.model.ScreenModel.CGShape;
import com.laex.cg2d.model.model.ModelCopier;
import com.laex.cg2d.model.model.Shape;

/**
 * The Class ShapeCopier.
 */
public class ShapeCopier implements ModelCopier {

  /**
   * Instantiates a new shape copier.
   *
   */
  public ShapeCopier() {
  }

  /*
   * (non-Javadoc)
   * 
   * @see com.laex.cg2d.model.model.ModelCopier#copy(java.lang.Object)
   */
  @Override
  public Object copy(Object element) {
    if (!(element instanceof Shape)) {
      // empty object
      return new Object();
    }

    // How to copy a shape:
    // 1. Convert shape model to CGShape
    // 2. Create a new CGShape builder and modify properties
    // 3. Convert back the CGShape to Shape
    // 4. Create entities if the model is of type entity.
    Shape model = (Shape) element;
    CGShape cgModelPrototype = CGScreenModelAdapter.asCGShape(model);
    CGShape cgModelToCopy = CGShape.newBuilder(cgModelPrototype).build();

    // args[0] should be the layer to copy this shape into
    Shape finalModelToCopy = ScreenModelAdapter.asShape(cgModelToCopy, model.getParentLayer());

    if (finalModelToCopy.getEditorShapeType().isEntity()) {
    }

    /*
     * Copy everything but the id. The responsibility of creating new id lies
     * with paste handler. Why is this ? Because, to generate unique id for each
     * shape.
     */

    return finalModelToCopy;

  }

}